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  <div class="section" id="two-factor-authentication">
<span id="fa"></span><h1>Two-factor authentication<a class="headerlink" href="#two-factor-authentication" title="Permalink to this headline">¶</a></h1>
<div class="versionadded">
<p><span class="versionmodified added">New in version 4.8.0.</span></p>
</div>
<p>Since phpMyAdmin 4.8.0 you can configure two-factor authentication to be
used when logging in. To use this, you first need to configure the
<a class="reference internal" href="setup.html#linked-tables"><span class="std std-ref">phpMyAdmin configuration storage</span></a>. Once this is done, every user can opt-in for the second
authentication factor in the <span class="guilabel">Settings</span>.</p>
<p>When running phpMyAdmin from the Git source repository, the dependencies must be installed
manually; the typical way of doing so is with the command:</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>composer require pragmarx/google2fa bacon/bacon-qr-code
</pre></div>
</div>
<p>Or when using a hardware security key with FIDO U2F:</p>
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>composer require samyoul/u2f-php-server
</pre></div>
</div>
<div class="section" id="authentication-application-2fa">
<h2>Authentication Application (2FA)<a class="headerlink" href="#authentication-application-2fa" title="Permalink to this headline">¶</a></h2>
<p>Using an application for authentication is a quite common approach based on HOTP and
<a class="reference external" href="https://en.wikipedia.org/wiki/Time-based_One-time_Password_Algorithm">TOTP</a>.
It is based on transmitting a private key from phpMyAdmin to the authentication
application and the application is then able to generate one time codes based
on this key. The easiest way to enter the key in to the application from phpMyAdmin is
through scanning a QR code.</p>
<p>There are dozens of applications available for mobile phones to implement these
standards, the most widely used include:</p>
<ul class="simple">
<li><p><a class="reference external" href="https://freeotp.github.io/">FreeOTP for iOS, Android and Pebble</a></p></li>
<li><p><a class="reference external" href="https://authy.com/">Authy for iOS, Android, Chrome, OS X</a></p></li>
<li><p><a class="reference external" href="https://apps.apple.com/us/app/google-authenticator/id388497605">Google Authenticator for iOS</a></p></li>
<li><p><a class="reference external" href="https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2">Google Authenticator for Android</a></p></li>
<li><p><a class="reference external" href="https://lastpass.com/auth/">LastPass Authenticator for iOS, Android, OS X, Windows</a></p></li>
</ul>
</div>
<div class="section" id="hardware-security-key-fido-u2f">
<h2>Hardware Security Key (FIDO U2F)<a class="headerlink" href="#hardware-security-key-fido-u2f" title="Permalink to this headline">¶</a></h2>
<p>Using hardware tokens is considered to be more secure than a software based
solution. phpMyAdmin supports <a class="reference external" href="https://en.wikipedia.org/wiki/Universal_2nd_Factor">FIDO U2F</a>
tokens.</p>
<p>There are several manufacturers of these tokens, for example:</p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.yubico.com/fido-u2f/">youbico FIDO U2F Security Key</a></p></li>
<li><p><a class="reference external" href="https://www.hypersecu.com/tmp/products/hyperfido">HyperFIDO</a></p></li>
<li><p><a class="reference external" href="https://trezor.io/?offer_id=12&amp;aff_id=1592&amp;source=phpmyadmin">Trezor Hardware Wallet</a> can act as an <a class="reference external" href="https://wiki.trezor.io/User_manual:Two-factor_Authentication_with_U2F">U2F token</a></p></li>
<li><p><a class="reference external" href="https://www.dongleauth.info/dongles/">List of Two Factor Auth (2FA) Dongles</a></p></li>
</ul>
</div>
<div class="section" id="simple-two-factor-authentication">
<span id="simple2fa"></span><h2>Simple two-factor authentication<a class="headerlink" href="#simple-two-factor-authentication" title="Permalink to this headline">¶</a></h2>
<p>This authentication is included for testing and demonstration purposes only as
it really does not provide two-factor authentication, it just asks the user to confirm login by
clicking on the button.</p>
<p>It should not be used in the production and is disabled unless
<span class="target" id="index-0"></span><a class="reference internal" href="config.html#cfg_DBG_simple2fa"><code class="xref config config-option docutils literal notranslate"><span class="pre">$cfg['DBG']['simple2fa']</span></code></a> is set.</p>
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<li><a class="reference internal" href="#">Two-factor authentication</a><ul>
<li><a class="reference internal" href="#authentication-application-2fa">Authentication Application (2FA)</a></li>
<li><a class="reference internal" href="#hardware-security-key-fido-u2f">Hardware Security Key (FIDO U2F)</a></li>
<li><a class="reference internal" href="#simple-two-factor-authentication">Simple two-factor authentication</a></li>
</ul>
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